Measurement of the Depolarization Parameter in Elastic Proton Proton Scattering at 3 and 6-GeV/c

Abshire, G.W. ; Bryant, G.W. ; Corcoran, M. ; et al.
Phys.Rev.D 12 (1975) 3393-3398, 1975.
Inspire Record 104822 DOI 10.17182/hepdata.24809

Results are presented from an experiment designed to make the first systematic study of the depolarization parameter in elastic proton-proton scattering at high energies. Measurements were made at 3.0 and 6.0 GeV/c at |t| values extending to 1.7 (GeV/c)2 at the higher momentum. A high-intensity unpolarized proton beam was incident on a polarized proton target and the polarization of the elastically scattered recoil protons was determined with a carbon analyzer. The results are discussed in the framework of optical and exchange models.

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MEASUREMENT OF POLARIZATION IN K- p ELASTIC SCATTERING BETWEEN 0.955-GeV/c AND 1.272-GeV/c

Bryant, H.C. ; Carter, A.A. ; Coupland, M. ; et al.
Nucl.Phys.B 168 (1980) 207-221, 1980.
Inspire Record 143628 DOI 10.17182/hepdata.34502

The polarization parameter has been measured for K − p elastic scattering at nine incident beam momenta between 0.955 and 1.272 GeV/ c covering the c.m. angular range −0.9 < cos θ ∗ < + 0.9 . Experimental results and coefficients of Legendre polynomial fits to the data are presented and compared with other measurements and a partial-wave analysis.

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LEGENDRE POLYNOMIAL COEFFICIENTS FOR POLARIZATION DERIVED USING INTERPOLATED DIFFERENTIAL CROSS SECTION DATA OF B. CONFORTO ET AL., NP B105, 189 (1976).


K- p elastic scattering at 3.59 gev/c

Lowman, A.W. ; Mccubbin, N.A. ;
Nucl.Phys.B 61 (1973) 296-306, 1973.
Inspire Record 83883 DOI 10.17182/hepdata.32485

We have measured the K − p elastic-scattering differential cross section at 3.59 GeV/ c for t < −0.1 (GeV/ c ) 2 . After all geometrical and kinematical cuts we have 11 734 elastic events. The forward diffraction peak has a slope of 7.57 ± 0.1 (GeV/ c ) −2 , and there is a marked dip-bump structure at t ∼ −1.0 (GeV/ c ) 2 . The elastic cross section is 4.4 ± 0.2 mb. There is no evidence for a backward peak.

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EVENTS NORMALIZED TO A TOTAL CROSS SECTION OF 26.3 +- 0.3 MB.


K- p elastic scattering at 10-GeV/c

The Aachen-Berlin-CERN-London-Vienna collaboration Bartsch, J. ; Deutschmann, M. ; Kraus, G. ; et al.
Nucl.Phys.B 29 (1971) 398-404, 1971.
Inspire Record 68635 DOI 10.17182/hepdata.33567

Results are presented on elastic scattering of 10.1 GeV/ c K − mesons on protons, based on a sample of 16 261 kinematically-fitted bubble-chamber events. The differential cross section is given over the | t |- range of 0.06 to 2.5 GeV 2 and is fitted with the expressions a e bt , A e Bt + Ct 2 and ( P e Qt + Re St ) over various intervals of t . The results are compared with those of other experiments at nearby energies. Upper limits of | α | < 0.28 and σ B < 0.4 μ b (both at a 90% confidence level) are given for the ratio of real to imaginary part of the forward-scattering amplitude and the backward-elastic-scattering cross section, respectively.

3 data tables match query

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ERROR INCLUDES STATISTICAL ERROR AND ERROR IN TOTAL CROSS SECTION USED FOR NORMALIZATION. EXTRAPOLATION OF D(SIG)/DT TO T=0 PROVIDES ABOUT 0.5 PCT UNCERTAINTY.

NO BACKWARD EVENTS OBSERVED. LARGEST ANGLE EVENT SEEN WAS AT 64 DEG (-T = 2.33 GEV**2).